7247491 has 8 divisors (see below), whose sum is σ = 7707744. Its totient is φ = 6791040.

The previous prime is 7247479. The next prime is 7247497. The reversal of 7247491 is 1947427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7247491 - 2⁷ = 7247363 is a prime.

It is a super-2 number, since 2×7247491² = 105052251590162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7247497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3661 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (963468).

Almost surely, 2^7247491 is an apocalyptic number.

7247491 is a deficient number, since it is larger than the sum of its proper divisors (460253).

7247491 is a wasteful number, since it uses less digits than its factorization.

7247491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901.

The product of its digits is 14112, while the sum is 34.

The square root of 7247491 is about 2692.1164536476. The cubic root of 7247491 is about 193.5215029508.

The spelling of 7247491 in words is "seven million, two hundred forty-seven thousand, four hundred ninety-one".